<ui:fragment rendered="#{controllerWeb.tfk.get(_entry.key) != null}">
    <h:selectOneMenu value="#{controllerWeb.tbi[_entry.key]}">
        <f:selectItems value="#{controllerWeb.tbi[_entry.key]}" 
                       var="c" 
                       itemValue="#{c}" 
                       itemLabel="#{c}" />
    </h:selectOneMenu>
</ui:fragment>
<ui:fragment rendered="#{controllerWeb.tfk.get(_entry.key) == null}">
    <span>
        <h:inputText value="#{controllerWeb.tbi[_entry.key]}"/>
    </span>
</ui:fragment>